Connected Classroom

Organic Chemistry:

This explains the (Z) and (E) notaion: http://www.chemguide.co.uk/basicorg/isomerism/ez.html

​Homework Question Selector: Choose a topic and write your name beside the topic. On the day that topic is taught, select or create a homework question and assign it next to your name. Then have the answer ready for the next day and we will take it up at the start of class.

Equilibrium Constant Hasha

The question to do is on page 445 #6, hav3 fun ;9
If you don lik3 the top ques. try #2 on page 444.

Intro to Equilibrium Alissa

A mixture consisting initially of 3.00 moles NH3, 2.00 moles of N2, and 5.00 moles of H2, in a 5.00 L container was heated to 900 K, and allowed to reach equilibrium. Determine the equilibrium concentration for each species present in the equilibrium mixture; 2 NH3(g) <--> N2(g) + 3 H2(g) Kc = 0.0076 @ 900 K. From:http://www.chem.purdue.edu/gchelp/howtosolveit/Equilibrium/ICEchart.htm

Le Chatlier's Principle Peter

Try this one out: pg 457 #1 What are the equilibrium shifts in each case? H=197 kJ
2SO3 <--> 2SO2 + O2 a) SO2 is added b) pressure is decreased (increase volume) c) increase pressure (add inert gas) d) temperature decrease
e) O2 is removed

Intro to Acids/Bases Tiana

pg 532 #1

Ka, Kb, Kw Orlean

Pg. 556 #3
*read "sample problem" pg.554-556*

Acidic and Basic Salts Ben

pg. 588 nr. 4
*sample pg. 587

Henderson-Hasselbalch Equation Scott

sorry this took so long : Calculate the pH of a buffer solution made from 0.20 M HC2H3O2 and 0.050 M C2H3O2- that has an acid dissociation constant for HC2H3O2 of 1.8 x 10-5.
the solution to this question is on : http://chemistry.about.com/od/acidsbase1/a/hendersonhasselbalch.htm
(Hey guys, how come the question uses the wrong value for A-? What did you get as the answer? pH=4.14? -Conrad)

Theory of Titration Jia Ha

pg599
#1.
25ml of 0.10m/l HBr is titrated by 0.10m/l of NaOH what is the pH at the equivalence point?

Titration Calculations Sakina

pg 607 #5
Is the textbook answer for this question correct? What is everyone else getting for this? -andy

Titration Curves Andy

Draw a titration curve for the reaction of a weak acid and strong base.

Entropy and Equilibrium Reilly
pg 511 #3 examples on pg 510-511

Buffers Nura

We might be learning more on the topic but here is a question based on what Leslie taught today.
p.620 #1,3 and 4

Ksp Danielle

pg 486 # 1 (see examples pg 485 - 486)
Calculate the solubility of silver iodide at 25 degrees Celius. The Ksp of AgI (s) is 1.5 x10^-16 at 25 degrees Celius.

Oxidation Numbers Logan

Balancing REDOX reactions Qingda

pg 673 3 b)
i got 4h2o + mn2+ + 5hbio -> 5bi2+ +Mno4 + 8h+

Galvanic Cells Vlad

I am not sure if we are going to learn anything else about Galvanic Cells but the question below is good for general knowledge
Page 700. Practice Question #6 (a)

Electrolytic Cells Claire

pg. 735 # 1, 2

Electrolysis Manuel

pg 736 # 5 759 # 1, 2, 3, 8, 10. You may think that this is a lot of work but actually, It isn't and you'll see why once you get to pg 759

Faraday's Constant Conrad=asian+gangsta

pg 749 # 1, 2, 3

Hydrocarbons and Chirality Simone

p.21 #7 and 8 are good practice questions

June 1st topics Isabel

June 3rd topics David

June 7th topics Deanna

June 8th topics Tate

Multi-step synthesis Tania

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Hey everybody! I know this doesnt really go with the contents of this page but.....this is a pretty good internet reference for Chemistry and stuff we are doing!
http://www.ausetute.com.au/index.html